diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 45dbf1521b9a8d..f3914d0c507959 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -417,7 +417,7 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg,
 		gss_msg->msg.len += len;
 	}
 	if (mech->gm_upcall_enctypes) {
-		len = sprintf(p, mech->gm_upcall_enctypes);
+		len = sprintf(p, "enctypes=%s ", mech->gm_upcall_enctypes);
 		p += len;
 		gss_msg->msg.len += len;
 	}
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index f375decc024b4b..9022f0a6503e31 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -750,7 +750,7 @@ static struct gss_api_mech gss_kerberos_mech = {
 	.gm_ops		= &gss_kerberos_ops,
 	.gm_pf_num	= ARRAY_SIZE(gss_kerberos_pfs),
 	.gm_pfs		= gss_kerberos_pfs,
-	.gm_upcall_enctypes = "enctypes=18,17,16,23,3,1,2 ",
+	.gm_upcall_enctypes = "18,17,16,23,3,1,2",
 };
 
 static int __init init_kerberos_module(void)